Improved comments about classic and new-style classes
Improved comments about classic and new-style classes

erikld/Bobo,haroldtreen/python_koans,welenofsky/python_koans,erikld/Bobo,EavesofIT/python_koans,kimegitee/python-koans,kimegitee/python-koans,gregkorte/Python-Koans,kernbeisser/python_koans,gregkorte/Python-Koans,garethsaxby/python_koans,haroldtreen/python_koans,PaulFranklin/python_koans,Sam-Rowe/python-koans,PaulFranklin/python_koans,welenofsky/python_koans,garethsaxby/python_koans,bohdan7/python_koans,gregmalcolm/python_koans,kjc/python_koans,Sam-Rowe/python-koans,kernbeisser/python_koans,kjc/python_koans,EavesofIT/python_koans,gregmalcolm/python_koans,bohdan7/python_koans